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Cheap flights from Washington, D.C. Dulles Intl Airport to Knock from $878

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Knock departing on 8/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Knock

Cheap round-trip flights

British Airways Logo
5:20 pm - 12:35 pmIAD-NOC
14h 15m2 stops
British Airways Logo
1:05 pm - 8:10 pmNOC-IAD
12h 05m1 stop
$878British Airways
Find Deal
Fri, Aug 15 - Tue, Aug 19
British Airways Logo
7:25 pm - 12:35 pmIAD-NOC
12h 10m1 stop
British Airways Logo
1:05 pm - 5:30 pmNOC-IAD
33h 25m1 stop
$894British Airways
Find Deal
Fri, Aug 15 - Tue, Aug 19
British Airways Logo
4:36 pm - 12:35 pmIAD-NOC
14h 59m2 stops
British Airways Logo
1:05 pm - 6:52 pmNOC-IAD
34h 47m2 stops
$899British Airways
Find Deal
Fri, Aug 15 - Tue, Aug 19
Logo
10:40 pm - 12:35 pmIAD-NOC
32h 55m1 stop
Logo
1:05 pm - 3:00 pmNOC-IAD
54h 55m2 stops
$948
Find Deal
Sun, Aug 31 - Sun, Sep 7
Aer Lingus Logo
5:55 pm - 12:35 pmIAD-NOC
13h 40m1 stop
Aer Lingus Logo
1:05 pm - 4:00 pmNOC-IAD
31h 55m1 stop
$976Aer Lingus
Find Deal
Sun, Aug 31 - Sun, Sep 7
Aer Lingus Logo
5:20 pm - 12:35 pmIAD-NOC
14h 15m2 stops
Aer Lingus Logo
1:05 pm - 6:55 pmNOC-IAD
34h 50m2 stops
$984Aer Lingus
Find Deal
Sun, Aug 31 - Sun, Sep 7
Logo
10:20 pm - 12:35 pmIAD-NOC
33h 15m3 stops
Logo
1:05 pm - 3:50 pmNOC-IAD
31h 45m3 stops
$1,190
Find Deal
Fri, Aug 15 - Tue, Aug 19

British Airways flights from Washington, D.C. Dulles Intl Airport to Knock

Our best British Airways deals on Washington, D.C. Dulles Intl Airport to Knock flight tickets
British Airways
Aug 15
IAD5:20 pmWashington, D.C. Dulles Intl
14h 15m
2 stops
NOC12:35 pmKnock Intl
Aug 19
NOC1:05 pmKnock Intl
12h 05m
1 stop
IAD8:10 pmWashington, D.C. Dulles Intl
$878
Find similar
British Airways
Aug 15
IAD7:25 pmWashington, D.C. Dulles Intl
12h 10m
1 stop
NOC12:35 pmKnock Intl
Aug 19
NOC1:05 pmKnock Intl
33h 25m
1 stop
IAD5:30 pmWashington, D.C. Dulles Intl
$894
Find similar
British Airways
Aug 15
IAD4:36 pmWashington, D.C. Dulles Intl
14h 59m
2 stops
NOC12:35 pmKnock Intl
Aug 19
NOC1:05 pmKnock Intl
34h 47m
2 stops
IAD6:52 pmWashington, D.C. Dulles Intl
$899
Find similar

Aer Lingus flights from Washington, D.C. Dulles Intl Airport to Knock

Our best Aer Lingus deals on Washington, D.C. Dulles Intl Airport to Knock flight tickets
Aer Lingus
Aug 31
IAD5:55 pmWashington, D.C. Dulles Intl
13h 40m
1 stop
NOC12:35 pmKnock Intl
Sep 7
NOC1:05 pmKnock Intl
31h 55m
1 stop
IAD4:00 pmWashington, D.C. Dulles Intl
$976
Find similar
Aer Lingus
Aug 31
IAD5:20 pmWashington, D.C. Dulles Intl
14h 15m
2 stops
NOC12:35 pmKnock Intl
Sep 7
NOC1:05 pmKnock Intl
34h 50m
2 stops
IAD6:55 pmWashington, D.C. Dulles Intl
$984
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Knock that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 2, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Knock that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Fri 8/15

5:20 pm-12:35 pm

2 stops14h 15m

Knock Intl

Tue 8/19

1:05 pm-8:10 pm

1 stop12h 05m

$878

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Fri 8/15

7:25 pm-12:35 pm

1 stop12h 10m

Knock Intl

Tue 8/19

1:05 pm-5:30 pm

1 stop33h 25m

$894

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Fri 8/15

4:36 pm-12:35 pm

2 stops14h 59m

Knock Intl

Tue 8/19

1:05 pm-6:52 pm

2 stops34h 47m

$899

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Sun 8/31

10:40 pm-12:35 pm

1 stop32h 55m

Knock Intl

Sun 9/7

1:05 pm-3:00 pm

2 stops54h 55m

$948

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Sun 8/31

5:55 pm-12:35 pm

1 stop13h 40m

Knock Intl

Sun 9/7

1:05 pm-4:00 pm

1 stop31h 55m

$976

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Sun 8/31

5:20 pm-12:35 pm

2 stops14h 15m

Knock Intl

Sun 9/7

1:05 pm-6:55 pm

2 stops34h 50m

$984

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Fri 8/15

10:20 pm-12:35 pm

3 stops33h 15m

Knock Intl

Tue 8/19

1:05 pm-3:50 pm

3 stops31h 45m

$1,190

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Knock

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest time of day to depart on your flight to Knock?

According to our data, the cheapest time of day to fly to Knock is in the afternoon. momondo users have found flights departing from Washington, D.C. Dulles Intl Airport to Knock in the afternoon for as low as $952. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the evening because they tend to be around $1,247. Of course, these prices can vary depending on the time of year and what airport you fly to.

When to book flights from Washington, D.C. Dulles Intl Airport to Knock

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Knock according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to Knock (IAD to NOC) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Knock

Best Price Found

$878

Fastest flight time

12h 10m

Direct flights

None

Airports in Knock

1 airport
The best flight deal from Washington, D.C. Dulles Intl Airport to Knock found on momondo in the last 72 hours is $878
The fastest flight from Washington, D.C. Dulles Intl Airport to Knock takes 12h 10m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Knock. Popular non-direct route for this connection is Washington, D.C. Dulles Intl Airport - Knock Intl Airport.
There is 1 airport near Knock: Knock Intl (NOC)
Search flight deals

  • How far is Washington, D.C. Dulles Intl to Knock Intl by plane?

    The distance between Washington, D.C. Dulles Intl and Knock Intl is about 3280.8 mi. 12h 10m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Knock Intl Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Knock Intl Airport were last updated today.

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Knock Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. Dulles Intl Airport to Knock Intl Airport.

  • What documentation or ID do you need to fly to Knock Intl Airport?

    The required travel and health documents for your Knock Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Knock Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Knock?

Book flights to Knock if you plan to visit one of these locations
Westport
Sligo
Belmullet
Newport
Carrick-on-Shannon

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Knock?

Finding the right flight to Knock from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Knock quick and easy, saving you time and money.

Can I find flights from Washington, D.C. to Knock with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Washington, D.C. to Knock flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Knock?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to Knock.

I’m not ready to book a flight from Washington, D.C. to Knock right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Washington, D.C. to Knock now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Knock and let you know when they change.

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